Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Vissh Khim T IfiledCriticalVissh Khim T I
Priority to BG9095790ApriorityCriticalpatent/BG49895A1/en
Publication of BG49895A1publicationCriticalpatent/BG49895A1/en
This composition is used in the manufacture of papers and cardboards for writing, printing and packaging purposes, which feature outstanding dry and wet strength characteristics, high impregnation rates and improved whiteness. The composition includes cellulose from coniferous and deciduous wood, rosin glue and polyesters of phthalic and maleic glycerol monochlorohydrins, obtained by ionic co-polymerisation, with component ratios, in percent with respect to the perfectly dry fibrous matter, as follows: rosin glue 0.25-2.00, polyesters 0.1-2.0.
BG9095790A1990-01-191990-01-19Composition of papers and cardboard
BG49895A1
(en)